Memory corruption in Quagga - CVE-2018-5378

 

Memory corruption in Quagga - CVE-2018-5378

Published: February 19, 2018


Vulnerability identifier: #VU10655
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-5378
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the Quagga BGP daemon due to failure to properly bounds check data sent with a NOTIFY to a peer by the Quagga BGP daemon, bgpd. A remote attacker can send specially crafted input and cause the bgpd process or the daemon to crash.

Affected software

Quagga
Gentoo Linux
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE OpenStack Cloud
SUSE Linux
Fedora
libfpm_pb0-debuginfo
libzebra1
quagga-debugsource
libfpm_pb0
libzebra1-debuginfo
libospfapiclient0
quagga-debuginfo
libquagga_pb0-debuginfo
libospf0
libospfapiclient0-debuginfo
libquagga_pb0
quagga
libospf0-debuginfo
quagga-devel

How to mitigate CVE-2018-5378

Update to version 1.2.3.

libfpm_pb0-debuginfo - update to 1.1.1-17.13.1
libzebra1 - update to 1.1.1-17.13.1
quagga-debugsource - update to 1.1.1-17.13.1
libfpm_pb0 - update to 1.1.1-17.13.1
libzebra1-debuginfo - update to 1.1.1-17.13.1
libospfapiclient0 - update to 1.1.1-17.13.1
quagga-debuginfo - update to 1.1.1-17.13.1
libquagga_pb0-debuginfo - update to 1.1.1-17.13.1
libospf0 - update to 1.1.1-17.13.1
libospfapiclient0-debuginfo - update to 1.1.1-17.13.1
libquagga_pb0 - update to 1.1.1-17.13.1
quagga - update to 1.1.1-17.13.1
libospf0-debuginfo - update to 1.1.1-17.13.1
quagga-devel - update to 1.1.1-17.13.1
quagga - addressed in versions 1.2.2-2.fc26, 1.2.2-2.fc27

External References

Related Security Bulletins